JPS5654117B2 - - Google Patents
Info
- Publication number
- JPS5654117B2 JPS5654117B2 JP5489876A JP5489876A JPS5654117B2 JP S5654117 B2 JPS5654117 B2 JP S5654117B2 JP 5489876 A JP5489876 A JP 5489876A JP 5489876 A JP5489876 A JP 5489876A JP S5654117 B2 JPS5654117 B2 JP S5654117B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5489876A JPS52137909A (en) | 1976-05-14 | 1976-05-14 | Connection system for common control type automatic interior switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5489876A JPS52137909A (en) | 1976-05-14 | 1976-05-14 | Connection system for common control type automatic interior switchboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52137909A JPS52137909A (en) | 1977-11-17 |
| JPS5654117B2 true JPS5654117B2 (OSRAM) | 1981-12-23 |
Family
ID=12983410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5489876A Granted JPS52137909A (en) | 1976-05-14 | 1976-05-14 | Connection system for common control type automatic interior switchboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52137909A (OSRAM) |
-
1976
- 1976-05-14 JP JP5489876A patent/JPS52137909A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52137909A (en) | 1977-11-17 |